rainfall erosion 中文意思是什麼

rainfall erosion 解釋
降雨侵蝕作用
  • rainfall : 下雨,雨量。
  • erosion : n. 1. 腐蝕,侵蝕(作用)。2. 【醫學】糜爛,齒質腐損。
  1. As for a given rainfall experiment, the soil erosion in the rill was more than that in the socket

    在同一次降雨過程中,水溝的侵蝕量大於水穴(浪窩)的侵蝕量。
  2. The results indicated that the ree tracer technology has high precision to quantify the spatial - temporal process of soil erosion ; in earlier rainfall course, the development degree of sheet and nil erosion was general equation ; otherwise in the following course, the rill erosion was dominant in the total erosion, its average erosion acceleration and the average erosion rate was 15 and 9 times of sheet erosion, respectively ; in the end of experiment, the rill erosion took up 90 % of total erosion amount ; the section of slope bottom occupying about 1 / 3 slope area was active erosion segment in this experiment

    結果表明: ree示蹤技術對定量研究土壤侵蝕具有較高的精度;降雨前期,片蝕與細溝侵蝕發育程度基本相當;後期細溝侵蝕占據坡面侵蝕的主導地位,其侵蝕平均加速度和平均侵蝕率分別是片蝕的15倍、 9倍;試驗結束,細溝侵蝕占據坡面總侵蝕的90 % ;本試驗條件下,坡面下1 / 3區域為侵蝕活躍帶。
  3. In light of current using situation and drawing on the experience of many scholars researched methods and viewpoints, this thesis made com land, fallow land, orchard, grass land as experimental field in black soil region jlau, which carried out experiment by applying different amounts of n and p fertilization in corn field. by means of collecting the samples of rainfall runoff, erosion silt and surface layer soil before and after rainfall for one year nature precipitation in field, we study the effect of surface runoff on n and p nutrient and fertility degeneration. the results showed : ( l ) there are lots of factors which affect soil erosion and losses of n and p, in which rainfall and rainfall intensity were more important, while rainfall intensity is the most important meteorological phenomena factor

    針對當前黑土利用現狀,本文借鑒眾多學者的研究方法和觀點,在吉林農大黑土區選擇利用方式不同的玉米地、休閑地、果園、草地,在玉米區進行了不同數量的施肥,通過野外試驗,採集一年自然降雨產流及泥沙樣品,同時採集降雨前後的耕層土壤樣品,研究了黑土區地表徑流對氮磷養分特徵及肥力退化的影響,結果表明:土壤侵蝕和氮磷的流失受諸多因素的影響,降雨量、降雨強度是重要因子,而降雨強度是影響農田地表徑流養分流失的最重要的氣象因子,特別是暴雨,暴雨徑流中氮磷濃度較平時高得多;隨作物生長,覆蓋度逐漸增加以及不同利用方式下表現的覆蓋度差異,氮磷流失都表現為顯著的差異。
  4. Generally the rainfall on steeplands may be no more erosive than that on nearby lowlands, the resulting runoff and eroded sediments will move much more quickly on steep slopes, and will provoke more severe rill and gully erosion ( source : fao soils bulletin 75 )

    通常坡地的降雨侵蝕比附近的低地更嚴重,這樣坡地的流失物和侵蝕的沉積物移動更快,引起河流侵蝕。
  5. It can not only meet the need of water saving, water holding, drought resistance, but also make the best use of local rainfall runoff and efficiently reduce soil erosion. the research on it ' s theory and appliance will promote the development of orchard water saving irrigation and ecosystem and project of soil and water conservation

    蓄水坑灌法是一種適合於我國北方山丘區的果林灌溉新方法,既可滿足節水、保水、抗旱的要求又能充分利用當地降雨徑流和有效控制水土流失。對該方法進行理論和應用研究將對我國北方地區果林節水灌溉和水土保持與生態建設起到積極的促進作用。
  6. The gullies are formed by the processes of infiltration - interflow - collapses. ( 2 ) in the slope with sand - loess, the major factors of water erosion are the rainfall intensity and rainfall amount of annual first rainfall. ( 3 ) in the region, the evolution processes of slope gully system results from alternative actions of sand deposition and water erosion

    ( 1 )有片沙覆蓋的斜坡小區,徑流量少,但徑流含沙率大,坡溝的形成過程是:垂直滲流坡地潛流崩塌; ( 2 )在沙黃土斜坡小區,每年春末夏初降雨的強度及降雨量是決定坡面產沙量的關鍵因素; ( 3 )該區坡溝系統的形成發育是風沙沉積、風蝕與水蝕交替作用的結果。
  7. In order to eliminate the hidden trouble caused by storm runoff erosion, the mechanism of the storm runoff erosion on the slope surface of the yellow river dykes has been studied in this thesis. through the simulation rainfall experiments and field observations, the formation mechanism of storm runoff scouring, rills and sockets have been opened up. meanwhile the possible control measures have been suggested

    為了防治黃河大堤由於暴雨徑流沖刷造成的不安全隱患,本文針對黃河大堤上的暴雨徑流侵蝕進行了實地設站觀測及室內模擬降雨侵蝕試驗,通過揭示大堤暴雨沖刷過程機理,查清水溝、水穴(浪窩)等的成因,提出相應的防治對策。
  8. It analyzes the hydrologic effect from the aspects of rainfall interception of plants, splash erosion reduction and surface runoff control, analyzes the mechanical effect from the aspects of tensile strength of single root of plant, root - soil interaction, root - soil composite and slope stability and finally approaches to the future development orientation of slope protection by vegetation

    從植物的截留降水、削弱濺蝕和抑制地表徑流等方面分析了植被護坡的水文效應,並從植物單根抗拉強度、根土相互作用、根土復合體及邊坡穩定分析等方面分析了植物護坡的力學效應,最後探討了植被護坡的發展方向。
  9. In the paper, we firstly acknowledge the characteristic of rainfall kinetic energy and runoff energy, current state and the development of erosion dynamic process by consulting a large number of domestic and foreign literature datum. on the basic, we systemically coordinated the eroded datum of runoff plots of soil and water conservation stations at xifeng, tianshui, suide, and chunhua et al

    本文首先在查閱了大量國內外文獻資料,全面了解降雨動能與徑流能量的特性及侵蝕動力過程等方面的研究現狀及最新進展的基礎上,系統整理了西峰、天水、綏德及淳化泥河溝等水土保持試驗站的徑流場侵蝕資料。
  10. Ii ) runoff erosivity reflects relationship of water erosion forces and sediment yield more directly than rainfall erosivity. it intergrated ability of runoff volume and flood peak on detaching soil and transporting sediment and is more reasonable than single runoff depth or flood peak volume

    ( 2 )以徑流侵蝕力代替降雨侵蝕力來反映水蝕營力與產沙量的關系更加直接,而且綜合了徑流量與洪峰在剝蝕土壤和搬運泥沙能力,比單獨運用徑流深或洪峰流量更加合理。
  11. In order to control wind erosion, 5 measures are brought out that to increase artificial rainfall, to develop irrigated farming and to rise using rate of water resource, to control soil erosion, to optimize the frame of crops and solid expoiting, and to establish control and forecast system

    提出了防治沙化的5大措施,即增加人工降雨改造利用沙地、發展灌溉農業提高水資源利用率、治理水土流失、優化種植結構、立體開發、建立健全監測預報系統。
  12. Because of the aggergation of pam, the stabilization of aggregates was greatly increased, and the rate of rainfall splash erosion was small. but with rainfall going on, the rate of splash erosion would be greatly increased

    八、土壤聚合劑聚丙烯酰胺( pam )對土壤濺蝕的影響:由於聚丙烯酰胺的聚合作用,使得土壤團聚體的穩定性增大,土壤濺蝕速率較小。
  13. 6. when the rainfall frequency was 83. 11 % that belong to low energy of rainfall, vegetation cover rate that was bigger than 80 % can totally diminish runoff energy, and prevent soil erosion. with eroded rainfall energy increasing the cut rate of vegetation for erosion gradually weak

    ( 6 )對于發生頻率為83 . 11的低動能降雨,植被蓋度80可完全削減徑流能量,防止水土流失;隨著侵蝕性暴雨動能的增加,植被對徑流能量的削減率逐漸減弱。
  14. With the same slope gradient and slope length, the soil erosion on the dyke slope caused by the runoff mainly depended on the factors such as the runoff, flow velocity, rainfall intensity, rainfall duration, as well as the up - slope drainage area of dyke slope

    坡度、坡長一定時,徑流對戧坡的侵蝕主要與徑流量、流速、雨強、降雨歷時,戧坡以上匯聚水量或集水面積有關。
  15. We systemically discussed the distribution of precipitation, dynamics of soil erosion in different land - use types, the relation between soil and water losses and some rainfall characteristics, such as rainfall amount, intensity, duration and prophase rainfall. further, rainfall erosion force was discussed and regression equations between soil and water losses and rainfall characteristics were founded

    較為系統的探討了閩江上游地區的降雨分佈特徵,不同土地利用方式的水土流失動態,不同土地利用方式水土流失與降雨量、降雨強度、降雨歷時、前期降雨等的關系,在此基礎上,初步探討了閩江上游的降雨侵蝕力,並建立了不同土地利用方式水土流失與降雨特性有關的回歸方程。
  16. According to the analysis of the data of field observation and the simulated rainfall erosion experiment in lab, the results showed that there were many differences in the formation mechanism and development processes between the rills and sockets

    3 、水溝、水穴(浪窩)的成因水溝、水穴(浪窩)都是降雨徑流侵蝕的產物。野外實地觀測和室內降雨侵蝕試驗研究表明,兩者在成因和發展過程上存在著差異。
  17. Study on characteristics of rainfall erosion force and rainfall erosion force model of wuhan

    武漢降雨侵蝕力特徵與日降雨侵蝕力模型研究
  18. Symbolized model for simulating rainfall erosion ability in the west - mountainous area of henan province

    豫西山區次降雨侵蝕力簡化模型的建立
  19. The paper establishes a mathematical model for calculating soil erosion modulus and a method for calculating new soil loss by using annual rainfall data and individual rainfall data, taking the outcomes of tests and study of natural rainfall, artificial rainfall and washout as a basis, rainfall erosion force, soil resistance to erosion and ground slope as main factors and combining with the study on new soil loss in typical regional development and construction

    摘要以天然降雨、人工降雨、放水沖刷等試驗研究成果為基礎,結合典型區域開發建設新增土壤流失分析的研究成果,以降雨侵蝕力、土壤抗沖性和地面坡度為主要因子,建立了用年降雨資料和次降雨資料計算土壤侵蝕模數的數學模型和開發建設新增土壤流失量的計算方法。
  20. At the end of this thesis, some measures are presented to improve the stability of the slope on the base of investigation and analysis of loess slope, which is affected by rainfall erosion

    最後,在對黃土邊坡受降雨浸蝕影響的調查和分析基礎上,給出了提高邊坡穩定性的防護措施。
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